Performance analysis of sign-controlled intersections: Case of Aydın

Öz

In this study, the performances of sign-controlled intersections, which are frequently used in urban transportation networks in our country, were evaluated. For this purpose, 3 sign-controlled intersections located in and around Aydın Adnan Menderes University main campus are modeled in SIDRA Intersection traffic analysis software. In order to minimize the existing traffic problems for the analyzed intersections, solutions were proposed and their performances were compared. Delay value and degree of saturation parameters are taken into consideration as performance criteria. In the analysis, the values recommended for our country were used as the basic parameters of the critical gap acceptance method used in SIDRA Intersection software. As a result of the analyses, it has been observed that the performance of the sign-controlled intersections can be improved by approximately 38-50% with the proposed solution suggestions.

Anahtar Kelimeler

• Sign-controlled intersection,performance analysis,SIDRA Intersection,delay,degree of saturation

Denetimsiz eşdüzey kavşakların performans analizi: Aydın örneği

Öz

Bu çalışmada, ülkemizde kentiçi ulaşım ağlarında sıklıkla kullanılan eşdüzey kavşak türlerinden olan denetimsiz eşdüzey kavşakların performansları değerlendirilmiştir. Bu amaçla Aydın Adnan Menderes Üniversitesi merkez yerleşke girişi ve çevresinde bulunan 3 adet denetimsiz eşdüzey kavşak SIDRA Intersection trafik analiz yazılımında modellenmiştir. Analizi yapılan kavşaklar için mevcut trafik problemlerinin en aza indirilmesi amacıyla çözüm önerileri getirilerek performansları karşılaştırılmıştır. Performans ölçütü olarak gecikme değeri ve doygunluk derecesi parametreleri dikkate alınmıştır. Yapılan analizlerde, SIDRA Intersection yazılımında kullanılan kritik aralık kabulü yönteminin temel parametreleri olarak ülkemiz için önerilen değerler kullanılmıştır. Analizler sonucunda, uygulanan çözüm önerileri ile denetimsiz eşdüzey kavşakların performanslarının yaklaşık %38-50 arasında iyileştirilebileceği görülmüştür.

Anahtar Kelimeler

• Denetimsiz eşdüzey kavşak,performans analizi,SIDRA Intersection,gecikme,doygunluk derecesi

Kaynakça

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